Amazon.com : HIRO Aquatics Cube Rimless Frameless Extra Clear All Glass Aquarium, Low Iron Glass Tank, 5mm Glass, White Leveling Mat Included, w/Lids Options (No Lid Included, 2 Gal 7.8X7.8X7.8 in (20X20X20cm)) :
Dennerle Nano Cube Complete | Dennerle Shop
Aqueon Frameless Cube Aquarium, 1 Gallon | Petco | Square fish tank, Aquarium, Fish tank